Dell EMC PowerEdge R450 Reference Manual page 16

Table 16. Integrated Devices details (continued)
Option
Slot Bifurcation
Serial Communication
To view the Serial Communication screen, power on the system, press F2, and click System Setup Main Menu > System
BIOS > Serial Communication.
NOTE: The serial port is optional for the PowerEdge R450 system. The Serial Communication option is applicable only if the
serial COM port is installed in the system.
Table 17. Serial Communication details
Option
Serial Communication
Serial Port Address
External Serial Connector
16 Pre-operating system management applications
Description
startup. If the slot is disabled, both the Option ROM and UEFI drivers are
disabled. Only slots that are present on the system will be available for control.
Slot n: Enables or disables or only the boot driver is disabled for the PCIe slot
n. This option is set to Enabled by default.
Auto Discovery Bifurcation Settings allows Platform Default Bifurcation,
and Manual bifurcation Control.
This option is set to Platform Default Bifurcation by default. The slot
bifurcation field is accessible when set to Manual bifurcation Control and
is grayed out when set to Platform Default Bifurcation.
NOTE: The slot bifurcation supports on PCIe slot only, does not support
slot type from Paddle card to Riser and Slimline connector to Riser.
Description
Enables the serial communication options. Selects serial communication
devices (Serial Device 1 and Serial Device 2) in BIOS. BIOS console redirection
can also be enabled, and the port address can be specified.
The options available for System without serial COM port (DB9) are On
without Console Redirection, On with Console Redirection, Off. This
option is set to Off by default.
The options available for System with serial COM port (DB9) are On without
Console Redirection, On with Console Redirection via Com1, On with
Console Redirection via Com2, Off, Auto. This option is set to Auto by
default.
Enables you to set the port address for serial devices. This option is set to
Serial Device1=COM2, Serial Device 2=COM1 by default.
NOTE: You can use only Serial Device 2 for the Serial Over LAN (SOL)
feature. To use console redirection by SOL, configure the same port
address for console redirection and the serial device.
NOTE: Every time the system boots, the BIOS syncs the serial MUX
setting that is saved in iDRAC. The serial MUX setting can independently
be changed in iDRAC. Loading the BIOS default settings from within the
BIOS setup utility may not always revert the serial MUX setting to the
default setting of Serial Device 1.
Enables you to associate the External Serial Connector to Serial Device 1,
Serial Device 2, or the Remote Access Device by using this option. This
option is set to Serial Device 1 by default.
NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL).
To use console redirection by SOL, configure the same port address for
console redirection and the serial device.
NOTE: Every time the system boots, the BIOS syncs the serial MUX
setting saved in iDRAC. The serial MUX setting can independently be
changed in iDRAC. Loading the BIOS default settings from within the BIOS